منابع مشابه
46,XX Male Disorder of Sexual Development: A Case Report
The main factor influencing sex determination of an embryo is the sex-determining region Y (SRY), a master regulatory gene located on the Y chromosome. The presence of SRY causes the bipotential gonad to differentiate into a testis. However, some individuals carry a Y chromosome but are phenotypically female (46,XY females) or have a female karyotype but are phenotypically male (46,XX males). 4...
متن کاملPrimary infertility in a phenotypic male with 46XX chromosomal constitution.
The case of a 32 year old male with normal male adrenarchal hair pattern, bilateral gynaecomastia, a small phallus, hypospadias and bilateral poorly developed testes presenting with primary infertility secondary to azoospermia and a pelvic cyst is described. Repeated chromosomal analysis showed 46XX chromosomal constitution. Laparotomy revealed a simple cyst between the urinary bladder and the ...
متن کاملDevelopment of psychotherapy protocol for women's desire/sexual arousal disorder; a qualitative study
Background and Aim: Sexual desire/arousal disorder in women is the most common and destructive sexual problem that couples face and has long been one of the common concerns of couple therapy. Considering the multidimensionality and pervasiveness of women's sexual desire/arousal disorder and its impact on all aspects of married life and the complexity of its pathology, it requires inclusive inte...
متن کاملRegulation of male sexual development by Sry and Sox9.
Sry, a gene from the Y chromosome, is known to initiate testis formation and subsequent male differentiation in mammals. A related gene, Sox9, also plays a critical role in testis determination, possibly in all vertebrates. A number of models have been presented regarding the molecular modes of action of these two genes. However, details regarding their regulation, regulatory target genes, and ...
متن کاملSexual Selection: Male-Male Competition
Aggression. Offensive action, particularly in regard to defending resources. Aggression in defending females and other resources should be favored by selection when there are fewer resources than competitors and when an individual can boost fitness by forcibly removing another individual. Intersexual Selection. Sexual selection due to interactions between the sexes. Mate choice by males or fema...
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ژورنال
عنوان ژورنال: Clinical Pediatric Endocrinology
سال: 2020
ISSN: 0918-5739,1347-7358
DOI: 10.1297/cpe.29.43